What causes dark under-eye circles?

Watch as internal medicine specialist Dr. Keri Peterson explains what may be causing your dark under-eye circles.

Learn about the contributors to hair loss and some of the treatments available to ease it.

A look at what information to record and some of the key benefits.

Learn how to protect kids' eyes from laser light gadgets.

An overview of early-stage and late-stage diabetic retinopathy, with a look at diabetic macular edema.

Certain medications and health conditions are among the reasons some people perspire more than others.